| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] [was/were] [noun] | 1974 |
|
| 2 | [det] [noun] [letter] | 669 |
|
| 3 | [was/were] [noun] [letter] | 91 |
|
| 4 | [det] [was/were] [letter] | 11 |
|
